#99D0FF
Closest named color: Baby Blue (#A2CFFE). oklch(83.6% 0.087 244.9), rgb(153, 208, 255).
Aa
Black text reads best on this color (12.82:1).
About this color
#99D0FF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.087 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.010 away. Black text reads best on it, at 12.82:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.82:1 |
| White text | 1.63:1 |
Values
| HEX | #99D0FF |
| RGB | rgb(153, 208, 255) |
| HSL | hsl(208, 100%, 80%) |
| OKLCH | oklch(83.6% 0.087 244.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99D0FF | 1.63:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #99D0FF | 12.82:1 | AAA | Lc 75.5 | Fine for body text |
| #99D0FF text on white | 1.63:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #99D0FF text on black | 12.82:1 | AAA | Lc -74.6 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DCECFA
oklch(93.5% 0.026 244.4)
-
Step 200
200
#BFDDF8
oklch(88.4% 0.049 245.6)
-
Step 300
300 (this color)
#99D0FF
oklch(83.6% 0.087 244.9)
-
Step 400
400
#48A8F1
oklch(70.7% 0.14 244.8)
-
Step 500
500
#0090E2
oklch(63.1% 0.159 245)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#99D0FF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #BDD0FF | 0.042 |
| Deuteranopia (no green cones) | #B0C5FE | 0.037 |
| Tritanopia (no blue cones) | #73DBDF | 0.073 |
| Achromatopsia (no color) | #CACACA | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D0FF
#99D0FF
oklch(83.6% 0.087 244.9)
- #F2BE8D
#F2BE8D
oklch(83.7% 0.088 64.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99D0FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.010
- Light Sky Blue #87CEFA ΔE 0.022
- Sky #82CAFC ΔE 0.031
- Sky Blue #87CEEB ΔE 0.036
- Lightblue #7BC8F6 ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.051
Use #99D0FF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.